Properties

Label 4900.81
Modulus $4900$
Conductor $1225$
Order $105$
Real no
Primitive no
Minimal yes
Parity even

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Show commands: PariGP / SageMath
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(4900, base_ring=CyclotomicField(210))
 
M = H._module
 
chi = DirichletCharacter(H, M([0,84,20]))
 
pari: [g,chi] = znchar(Mod(81,4900))
 

Basic properties

Modulus: \(4900\)
Conductor: \(1225\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(105\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{1225}(81,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: even
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 4900.dc

\(\chi_{4900}(81,\cdot)\) \(\chi_{4900}(121,\cdot)\) \(\chi_{4900}(221,\cdot)\) \(\chi_{4900}(261,\cdot)\) \(\chi_{4900}(541,\cdot)\) \(\chi_{4900}(641,\cdot)\) \(\chi_{4900}(681,\cdot)\) \(\chi_{4900}(781,\cdot)\) \(\chi_{4900}(821,\cdot)\) \(\chi_{4900}(921,\cdot)\) \(\chi_{4900}(1061,\cdot)\) \(\chi_{4900}(1241,\cdot)\) \(\chi_{4900}(1381,\cdot)\) \(\chi_{4900}(1481,\cdot)\) \(\chi_{4900}(1521,\cdot)\) \(\chi_{4900}(1621,\cdot)\) \(\chi_{4900}(1661,\cdot)\) \(\chi_{4900}(1761,\cdot)\) \(\chi_{4900}(2041,\cdot)\) \(\chi_{4900}(2081,\cdot)\) \(\chi_{4900}(2181,\cdot)\) \(\chi_{4900}(2221,\cdot)\) \(\chi_{4900}(2361,\cdot)\) \(\chi_{4900}(2461,\cdot)\) \(\chi_{4900}(2641,\cdot)\) \(\chi_{4900}(2741,\cdot)\) \(\chi_{4900}(2781,\cdot)\) \(\chi_{4900}(2881,\cdot)\) \(\chi_{4900}(3021,\cdot)\) \(\chi_{4900}(3061,\cdot)\) ...

sage: chi.galois_orbit()
 
order = charorder(g,chi)
 
[ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]
 

Related number fields

Field of values: $\Q(\zeta_{105})$
Fixed field: Number field defined by a degree 105 polynomial (not computed)

Values on generators

\((2451,1177,101)\) → \((1,e\left(\frac{2}{5}\right),e\left(\frac{2}{21}\right))\)

First values

\(a\) \(-1\)\(1\)\(3\)\(9\)\(11\)\(13\)\(17\)\(19\)\(23\)\(27\)\(29\)\(31\)
\( \chi_{ 4900 }(81, a) \) \(1\)\(1\)\(e\left(\frac{94}{105}\right)\)\(e\left(\frac{83}{105}\right)\)\(e\left(\frac{22}{105}\right)\)\(e\left(\frac{26}{35}\right)\)\(e\left(\frac{61}{105}\right)\)\(e\left(\frac{8}{15}\right)\)\(e\left(\frac{2}{105}\right)\)\(e\left(\frac{24}{35}\right)\)\(e\left(\frac{18}{35}\right)\)\(e\left(\frac{13}{15}\right)\)
sage: chi.jacobi_sum(n)
 
\( \chi_{ 4900 }(81,a) \;\) at \(\;a = \) e.g. 2